Chapter 4 - Smartphones etc( Comptia Objective 1.6)

Question 1

What is the difference between IMEI ID and IMSI iD?

Answer 1

• IMEI identifies a device where as IMSI ID identifies a user of a device.

Question 2

What are the two ways to enable airplane mode on a smartphone?

Answer 2

• Can be enabled via Settings>Airplane Mode

- Or via holding down the power button and selecting airplane mode in power options.

Question 3

What can be used to encrypt enterprise email messages such as Microsoft Exchange?

Answer 3

• S/MIME
• Secure Multipurpose Internet Mail Extensions
• Encrypt and digitally sign all email messages within a work environment.

Question 4

Bluetooth is a form of PAN(Personal Area Network) and has a range of?

Answer 4

• About 10 meters.

Question 5

In order to pair two bluetooth devices together you would need to put both into?

Answer 5

• Discoverable mode( Also known as pairing mode)

Question 6

Cellular phones are able to communicate to each other over the air because they are basically using one type of technology.

Answer 6

• Radio.

- Specifically a Baseband Radio Processor.

Question 7

What are two types of Cellular phone updates?

Answer 7

• PRL Update( Preferred Roaming list) allows your phone to connect to the right tower.
• PRI update( Product release instructions) provides radio settings updates, country codes etc.
• Both forms of updates are done over the air

Question 8

How can you create a secure connection between your mobile device and another device say on an internal network

Answer 8

• VPN. Virtual Private Network
• Typically integrated into the Phones OS
• Typically requires some configuration settings such as server names, username, password etc and possibly a token code generator.

Question 9

What is required to complete POP3 configuration on a mobile Device?

Answer 9

• Typically need a POP3 server name, username and password.
• May also need to provide port numbers to be used for POP3 Typically this would be TCP/110(Non secure) or if using SSL( Secure Sockets Layer) encrypted you would use TCP/995 for POP3S
• For configuring IMAP4 the process is pretty much the exact same however Non secure IMAP uses TCP/143 whereas IMAPS uses TCP/993 for SSL

Question 10

What is the secure port used for sending emails using SMTP?

Answer 10

• Port TCP/587

Question 11

What is a name for the quick access settings in IOS and how is it accessed?

Answer 11

• Control Center accessed by swiping down from the top of the screen or corner( depending on version os IOS)